阅读下面程序: include <iostream> using namespace std; int fun(int a,int b) {int c;c = a *
阅读下面程序:
include <iostream>
using namespace std;
int fun(int a, int b)
{
int c;
c = a * b;
return c;
}
int main ()
{
int a = 3, b = 5, c = 4, x = O;
x = fun(fun(a, b ), c );
cout<<x<<end1;
return 0;
}
其运行结果是【 】。